Poison (Ex) Swarm—injury; save Fort DC 14; frequency 1/round for 4 rounds; effect 1d2 Str; cure 1 save.Relentless (Ex) If a compsognathus swarm is reduced to 0 hit points by damage from a weapon, the swarm is destroyed as normal but 1d3 individual members remain behind as independent creatures. These compsognathus dinosaurs appear anywhere in the space formerly occupied by the swarm and act on the swarm's initiative.

A compsognathus is a dinosaur the basic size and shape of a chicken. It possesses sharp teeth and a mild poison. On its own, it poses a minor threat to weak or inexperienced opponents. Swarming packs of such creatures are considerably more dangerous.